DE10313234A1 - Heating heat exchanger in motor vehicle coolant circuit has air to be heated in additional heating mode simultaneously heated by heat exchanger and gas cooler/condenser - Google Patents
Heating heat exchanger in motor vehicle coolant circuit has air to be heated in additional heating mode simultaneously heated by heat exchanger and gas cooler/condenser Download PDFInfo
- Publication number
- DE10313234A1 DE10313234A1 DE10313234A DE10313234A DE10313234A1 DE 10313234 A1 DE10313234 A1 DE 10313234A1 DE 10313234 A DE10313234 A DE 10313234A DE 10313234 A DE10313234 A DE 10313234A DE 10313234 A1 DE10313234 A1 DE 10313234A1
- Authority
- DE
- Germany
- Prior art keywords
- heat exchanger
- coolant
- refrigerant
- heating
- pipes
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000002826 coolant Substances 0.000 title claims abstract description 69
- 238000010438 heat treatment Methods 0.000 title claims abstract description 63
- 239000003507 refrigerant Substances 0.000 claims abstract description 65
- 238000005057 refrigeration Methods 0.000 claims description 9
- 238000000926 separation method Methods 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000001816 cooling Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 13
- 230000000694 effects Effects 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
- F28D1/0408—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids
- F28D1/0426—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids with units having particular arrangement relative to the large body of fluid, e.g. with interleaved units or with adjacent heat exchange units in common air flow or with units extending at an angle to each other or with units arranged around a central element
- F28D1/0435—Combination of units extending one behind the other
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00321—Heat exchangers for air-conditioning devices
- B60H1/00328—Heat exchangers for air-conditioning devices of the liquid-air type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
- B60H1/00878—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being temperature regulating devices
- B60H1/00899—Controlling the flow of liquid in a heat pump system
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/0068—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for refrigerant cycles
- F28D2021/0073—Gas coolers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
- F28F2009/0285—Other particular headers or end plates
- F28F2009/0287—Other particular headers or end plates having passages for different heat exchange media
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air-Conditioning For Vehicles (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
Description
Die Erfindung betrifft einen Heizungswärmeübertrager in einem Kühlmittelkreislauf für Kraftfahrzeuge nach dem Oberbegriff von Patentanspruch 1.The invention relates to a heating heat exchanger in a coolant circuit for motor vehicles according to the preamble of claim 1.
Der Trend zu hocheffizienten Antriebssystemen für Kraftfahrzeuge hat zur Folge, dass nicht mehr ausreichend Abwärme zur Beheizung des Fahrzeuginnenraums zur Verfügung steht. Damit verschlechtern sich die Behaglichkeitsbedingungen bei Fahrzeugen, deren Erwärmung des Fahrzeuginnenraums ausschließlich auf dem motorseitigen Kühlmittelkreislauf basiert.The trend towards highly efficient drive systems for motor vehicles As a result, there is no longer enough waste heat to heat the vehicle interior to disposal stands. This worsens the comfort conditions in vehicles, their warming of the vehicle interior only on the engine side Coolant circuit based.
Im Stand der Technik sind vielfältige Lösungsansätze für dieses Problem vorhanden. Beispielsweise wird der Kühlmittelkreislauf elektrisch aufgeheizt oder über Kaltleiterheizelemente, auch sogenannte PTC-Heizungen, wird die Fahrzeuginnenraumluft direkt geheizt.There are many possible solutions for this in the prior art Problem exists. For example, the coolant circuit is heated electrically or about PTC heaters, also known as PTC heaters, will Vehicle interior air heated directly.
Weiterhin sind kraftstoffbefeuerte Zusatzheizeinrichtungen für den Kühlmittelkreislauf bekannt.There are also fuel-fired Additional heaters for the coolant circuit known.
Eine alternative Entwicklung zu den genannten Zusatzheizsystemen besteht darin, die in Kraftfahrzeugen vorhandenen Kältemittelsysteme bzw. Kälteanlagen zur Beheizung des Fahrzeuginnenraumes zu nutzen. Dies ist möglich, indem die Kälteanlage zur Beheizung als Wärmepumpe betrieben wird.An alternative development to the additional heating systems mentioned is that in motor vehicles existing refrigerant systems or refrigeration systems to use for heating the vehicle interior. This is possible by the refrigeration system for heating as a heat pump is operated.
Alternativ kann ein kurzer Kreislauf ohne sekundäre Wärmeaufnahme, in der links- oder rechtsdrehenden Variante, genutzt werden. Bei einem kurzen Kreislauf wird die mechanische Antriebsleistung des Kompressors zu wesentlichen Teilen in Wärme zur Fahrgastraumbeheizung umgewandelt.Alternatively, a short cycle without secondary Heat absorption, in the left- or right-turning variant. at The mechanical drive power of the Compressor to a large extent in heat for heating the passenger compartment converted.
Derartige Kälteanlagen sind gleichfalls im Stand der Technik bekannt.Such refrigeration systems are also known in the art.
Wird eine vorhandene Kälteanlage in einem Fahrzeug zur Zuheizung benutzt, so tritt unter bestimmten Nutzungs- und Umgebungsbedingungen ein sehr unerwünschter und sicherheitstechnisch gefährlicher Effekt auf.Will an existing refrigeration system used in a vehicle for auxiliary heating, occurs under certain Use and environmental conditions a very undesirable and more dangerous in terms of safety Effect on.
Insbesondere wird bei der Nutzung des Kältemittelsystems als Kälteanlage der in der Belüftungsanlage des Fahrzeugs angeordnete Verdampfer die zu kühlende Luft entfeuchten. Die auf der Verdampferoberfläche kondensierte Feuchtigkeit wird dann beispielsweise nach Stillstand des Fahrzeuges und erneuter Inbetriebnahme bei Nutzung des zuvor als Verdampfer betriebenen Wärmeübertragers im Zuheizungsmodus als Kondensator bzw. Gaskühler durch die Erwärmung an den dem Fahrzeuginnenraum zuzuführenden Luftstrom abgegeben. Eine alternierende Nutzung von Kälteanlage und Wärmepumpe tritt in der Übergangszeit durchaus häufiger auf.In particular, when using of the refrigerant system as a refrigeration system the one in the ventilation system evaporators arranged in the vehicle dehumidify the air to be cooled. The on the evaporator surface Condensed moisture is then, for example, after standstill of the vehicle and restarting when using the previously as Evaporator operated heat exchanger in the heating mode as a condenser or gas cooler due to the heating those to be supplied to the vehicle interior Airflow emitted. Alternating use of refrigeration systems and heat pump occurs in the transition period quite often.
Die hohe Luftfeuchte in der dem Fahrzeuginnenraum zugeleiteten Luft führt an den kalten Oberflächen im Inneren des Fahrzeugs zum Niederschlag und insbesondere zum Beschlagen der Scheiben mit einhergehender Verschlechterung der Sichtverhältnisse für die Fahrzeuginsassen. Dieser Effekt wird auch als Flash-fogging bezeichnet.The high humidity in the vehicle interior supplied air leads on the cold surfaces inside the vehicle for precipitation and especially fogging of the panes with accompanying deterioration in visibility for the Vehicle occupants. This effect is also known as flash fogging.
Im Stand der Technik sind Lösungen bekannt, welche diesen Effekt verhindern sollen.Solutions are known in the prior art which should prevent this effect.
Nach einer speziellen Anwendungsform
für das
Kältemittel
Kohlendioxid wird in der
Dabei werden der Gaskühler bzw. Kondensator in verschiedene alternativ genutzte Bereiche zur Kühlung bzw. Heizung unterteilt.The gas cooler or Condenser in various alternative areas for cooling or Heating divided.
Zum einen in einen Verdampferbereich, der im Kälteanlagenbetrieb die dem Fahrzeuginnenraum zuströmende Luft kühlt und entsprechend entfeucht, und zum anderen in einen Bereich, der im Wärmepumpenbetrieb die dem Fahrzeuginnenraum zuströmende Luft erwärmt. Durch diese funktionale Trennung wird erreicht, dass die am Verdampfer abgeschiedene Feuchtigkeit nicht oder nur in sehr geringer Weise von dem in den Fahrzeuginnenraum strömenden Luftstrom wieder aufgenommen wird.Firstly in an evaporator area, the one in refrigeration system operation that flowing into the vehicle interior Air cools and accordingly dehumidified, and on the other hand in an area that in heat pump operation that flowing into the vehicle interior Air warmed. This functional separation ensures that the evaporator no moisture or only very little resumed by the airflow flowing into the vehicle interior becomes.
In der
Daraus ergibt sich der Nachteil, dass der ohnehin knapp bemessene Bauraum in den Belüftungsanlagen von Kraftfahrzeugen durch eine derartige Hintereinanderschaltung erweitert wird. Davon ausgehend ist es Aufgabe der vorliegenden Erfindung, einen Heizungwärmeübertrager zur Verfügung zu stellen, der einen geringeren Bauraum erfordert und ein vorteilhaftes Regelverhalten ermöglicht bei geringstmöglichem Strömungswiderstand.Hence the disadvantage that the already tight space in the ventilation systems of motor vehicles through such a series connection is expanded. Based on this, it is the task of the present one Invention, a heating heat exchanger to disposal to provide, which requires less space and an advantageous Control behavior enables with the least possible Flow resistance.
Die Aufgabe wird erfindungsgemäß durch einen Heizungswärmeübertrager in einem Kühlmittelkreislauf für Kraftfahrzeuge gelöst, wobei die zu erwärmende Luft mit einem als Wärmepumpe oder kurzem Kreislauf zum Zuheizen betreibbaren Kältemittelkreislauf zusätzlich erwärmbar ist und dass dazu ein Gaskühler/Kondensator für den Zuheizbetrieb und ein davon funktional getrennter Verdampfer für den Kälteanlagenbetrieb des Kältemittelkreislaufes vorgesehen sind, wobei die Wärmeübertrageroberflächen des Gaskühler/Kondensators für den Zuheizbetrieb in den Heizungswärmeübertrager integriert sind und dass die zu erwärmende Luft im Zuheizbetrieb gleichzeitig vom Heizungswärmeübertrager und vom Gaskühler/Kondensator erwärmt wird.The object is achieved by a heating heat exchanger in a coolant circuit for motor vehicles solved, being the one to be heated Air with one as a heat pump or a short circuit for heating a refrigerant circuit that can be operated additionally heatable and that is a gas cooler / condenser for the Heating mode and a functionally separate evaporator for refrigeration system operation of the refrigerant circuit are, the heat exchanger surfaces of the Gas cooler / condenser for the Heating mode in the heating heat exchanger are integrated and that the air to be heated in the auxiliary heating mode from the heating heat exchanger at the same time and from the gas cooler / condenser heated becomes.
Unter Zuheizbetrieb ist dabei der Modus zu verstehen, in welchem der Kältemittelkreislauf, beispielsweise als Wärmepumpenkreislauf oder als kurzer Kreislauf, zum Zuheizen eingesetzt wird.The heating mode is the Understand mode in which the refrigerant cycle, for example as a heat pump cycle or as a short circuit for heating up.
Besonders vorteilhaft wird die erfindungsgemäße Kombination ausgeführt, wenn der Kältemittelkreislauf und der Kühlmittelkreislauf im Zuheizbetrieb derart geregelt werden, dass die Wärmeübertrageroberflächen des Heizungswärmeübertragers und des Gaskühler/Kondensators im Zuheizbetrieb Temperaturunterschiede von weniger als 25 K aufweisen.The combination according to the invention is carried out particularly advantageously if the refrigerant circuit and the coolant circuit are regulated in the heating mode in such a way that the heat exchangers surfaces of the heating heat exchanger and the gas cooler / condenser in heating mode have temperature differences of less than 25 K.
Die Konzeption der Erfindung besteht in der Trennung der Funktionen der Wärmeübertrager im Zuheizmodus und der Integration der Komponente für die Erwärmung der Luft in den Heizungswärmeübertrager des Kühlmittelkreislaufes.The concept of the invention exists in the separation of the functions of the heat exchanger in the heating mode and the integration of the component for the warming the air in the heating heat exchanger of the coolant circuit.
Als Vorteile dieser Konzeption sind die Vermeidung des flash-fogging-Effektes und die Platz sparende Realisierbarkeit der Funktionstrennung in Wärmeübertragerkomponenten des Kältemittelkreislaufes zu nennen.The advantages of this conception are avoiding the flash fogging effect and saving space Realization of the separation of functions in heat transfer components of the refrigerant circuit to call.
Durch die gemeinsame Nutzung der Wärmeübertragerflächen von Kühlmittelkreislauf und Kältemittelkreislauf im erfindungsgemäßen Heizungswärmeübertrager kann erreicht werden, dass die Zuheizfunktionalität mittels umgeschaltetem Kältemittelkreislauf ohne zusätzlichen Platzbedarf in einer Belüftungsanlage ohne flash-fogging-Risiko erreicht wird.By sharing the Heat transfer surfaces from Coolant circuit and refrigerant circuit in the heating heat exchanger according to the invention can be achieved that the auxiliary heating functionality by means of switched refrigerant circuit without additional Space requirement in a ventilation system is achieved without the risk of flash fogging.
Weitere Einzelheiten, Merkmale und Vorteile der Erfindung ergeben sich aus der nachfolgenden Beschreibung von Ausführungsbeispielen mit Bezugnahme auf die zugehörigen Zeichnungen. Es zeigen:More details, features and Advantages of the invention result from the following description of embodiments with reference to the related Drawings. Show it:
In
Dabei sind der Heizungswärmeübertrager
Der Heizungswärmeübertrager
Im gezeigten Beispiel wird das Kühlmittel und
in analoger Weise das Kältemittel
vom Kühlmittelkreislauf
Kühlmittelverteilerbereich
Die 180° Umlenkung des Kältemittels
erfolgt analog im helix-förmigen
Umlenkbereich
In
Nach der dargestellten bevorzugten
Ausgestaltung der Erfindung sind jeweils zwei Lagen Kühlmittelrohre
Die
Während
in
Konzeptionell wird dabei verwirklicht,
dass der Kältemittelsammlerbereich
Die Kältemittelrohre
In
Gemäß
Die Wärmeübertragereinheit des Kältemittels, die gemäß der Erfindung in eine Reihe des Kühlmittelwärmeübertragers integriert ist, kann abhängig von der Wahl der Art der Zuheizverschaltung des Kältemittelkreislaufes auf der Luftzuströmseite oder auf der Luftabströmseite platziert werden.The heat transfer unit of the refrigerant, the according to the invention in a row of the coolant heat exchanger integrated, can depend on the choice of the type of auxiliary heating of the refrigerant circuit on the Luftzuströmseite or on the air outflow side to be placed.
Weiterhin sind bezüglich der Anordnung und Art der Kühlmittelverschaltungen in Abhängigkeit der thermischen Zustände und der Platzverhältnisse die im Stand der Technik bekannten Verschaltungen für Kreuz-, Kreuzgegen- und Kreuzgleichstrom sowie Parallel- und Gleichstrom jeweils vorteilhaft anwendbar.Furthermore, regarding the Arrangement and type of coolant connections dependent on of the thermal states and the space available the interconnections for cross, Cross-countercurrent and cross-direct current as well as parallel and direct current each advantageously applicable.
- 11
- KühlmittelkreislaufCoolant circuit
- 22
- KältemittelkreislaufRefrigerant circulation
- 33
- HeizungswärmeübertragerHeating heat exchanger
- 44
- Gaskühler/KondensatorGas cooler / condenser
- 55
- Luftstrom/zu erwärmende LuftAir flow / to heated air
- 66
- KühlmittelrohreCoolant pipes
- 77
- KältemittelrohreRefrigerant pipes
- 88th
- Sammlereinheitcollector unit
- 99
- KühlmittelsammlerbereichCoolant collector area
- 1010
- KältemittelsammlerbereichRefrigerant collector area
- 1111
- LamellenblöckeAll coils
- 1212
- Umlenkbereich der Kältemittelrohredeflection of the refrigerant pipes
- 1313
- Verbindungsrohreconnecting pipes
- 1414
- Umlenkbereich der Kühlmittelrohredeflection the coolant pipes
Claims (8)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10313234A DE10313234B4 (en) | 2003-03-17 | 2003-03-17 | Heating heat exchanger |
| US10/802,194 US20040231825A1 (en) | 2003-03-17 | 2004-03-17 | Heat exchanger assembly |
| US11/759,557 US7556091B2 (en) | 2003-03-17 | 2007-06-07 | Heat exchanger assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10313234A DE10313234B4 (en) | 2003-03-17 | 2003-03-17 | Heating heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE10313234A1 true DE10313234A1 (en) | 2004-10-07 |
| DE10313234B4 DE10313234B4 (en) | 2010-12-30 |
Family
ID=32946140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE10313234A Expired - Lifetime DE10313234B4 (en) | 2003-03-17 | 2003-03-17 | Heating heat exchanger |
Country Status (2)
| Country | Link |
|---|---|
| US (2) | US20040231825A1 (en) |
| DE (1) | DE10313234B4 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004055340A1 (en) * | 2004-11-16 | 2006-05-18 | Behr Gmbh & Co. Kg | Air conditioning with cold storage |
| DE102004055339A1 (en) * | 2004-11-16 | 2006-05-18 | Behr Gmbh & Co. Kg | Air conditioning with cold storage |
| DE102015122736A1 (en) | 2015-12-23 | 2017-06-29 | Hanon Systems | Device for heat transfer and refrigerant circuit of an air conditioning system of a motor vehicle |
| DE102019211341A1 (en) * | 2019-07-30 | 2021-02-04 | Mahle International Gmbh | Heat exchanger |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006011327A1 (en) * | 2006-03-09 | 2007-09-13 | Behr Gmbh & Co. Kg | Heat exchanger with cold storage |
| CN102099651B (en) * | 2008-07-15 | 2013-12-25 | 开利公司 | Integrated multi-circuit microchannel heat exchanger |
| US9671176B2 (en) * | 2012-05-18 | 2017-06-06 | Modine Manufacturing Company | Heat exchanger, and method for transferring heat |
| US20150096311A1 (en) * | 2012-05-18 | 2015-04-09 | Modine Manufacturing Company | Heat exchanger, and method for transferring heat |
| KR101405234B1 (en) * | 2013-06-05 | 2014-06-10 | 현대자동차 주식회사 | Radiator for vehicle |
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| DE3918455A1 (en) * | 1989-06-06 | 1990-12-20 | Thermal Waerme Kaelte Klima | Coolant liquefier for car air conditioning |
| DE19830757A1 (en) * | 1998-07-09 | 2000-01-13 | Behr Gmbh & Co | Air conditioning system especially for a motor vehicle |
| DE19839002A1 (en) * | 1998-08-27 | 2000-03-02 | Valeo Klimasysteme Gmbh | Heating and air conditioning apparatus for a vehicle comprises a heat exchanger bombarded with heated refrigerant via a by-pass line |
| DE19855309A1 (en) * | 1998-12-01 | 2000-06-15 | Daimler Chrysler Ag | Auxiliary heater for motor vehicles has different heat exchanger surfaces provided in conditioning circuit for cooling and heating with surface for heating installed above surface for cooling, or separated from it |
| US6189603B1 (en) * | 1998-10-19 | 2001-02-20 | Denso Corporation | Double heat exchanger having condenser and radiator |
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| US2298895A (en) * | 1942-02-28 | 1942-10-13 | Gen Electric | Method of making heat exchange units |
| FR958699A (en) * | 1942-05-22 | 1950-03-17 | ||
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-
2003
- 2003-03-17 DE DE10313234A patent/DE10313234B4/en not_active Expired - Lifetime
-
2004
- 2004-03-17 US US10/802,194 patent/US20040231825A1/en not_active Abandoned
-
2007
- 2007-06-07 US US11/759,557 patent/US7556091B2/en not_active Expired - Lifetime
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004055340A1 (en) * | 2004-11-16 | 2006-05-18 | Behr Gmbh & Co. Kg | Air conditioning with cold storage |
| DE102004055339A1 (en) * | 2004-11-16 | 2006-05-18 | Behr Gmbh & Co. Kg | Air conditioning with cold storage |
| DE102015122736A1 (en) | 2015-12-23 | 2017-06-29 | Hanon Systems | Device for heat transfer and refrigerant circuit of an air conditioning system of a motor vehicle |
| DE102015122736B4 (en) | 2015-12-23 | 2022-12-15 | Hanon Systems | System for guiding gaseous fluids of an internal combustion engine of a motor vehicle and method for operating the system |
| DE102019211341A1 (en) * | 2019-07-30 | 2021-02-04 | Mahle International Gmbh | Heat exchanger |
Also Published As
| Publication number | Publication date |
|---|---|
| DE10313234B4 (en) | 2010-12-30 |
| US20070267186A1 (en) | 2007-11-22 |
| US20040231825A1 (en) | 2004-11-25 |
| US7556091B2 (en) | 2009-07-07 |
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